Probleme bei rake db:migrate

Hallo zusammen! Wir wollen einen Openstreetmaps-Server auf einem Debian-System installieren. Wir sind nach den Angaben im Buch gegangen, haben alle benötigten Pakete installiert, MySQl konfiguriert und auch die Datenbank erstellt. Es hat alles sehr gut funktioniert bis zu dem Befehl

rake␣db:migrate

. Dabei kommt folgende Fehlermeldung:

rake aborted! Could not find RubyGem composite_primary_keys (= 0.9.93) (See full trace by running task with --trace)

Daraufhin dachte ich mir, installiere die composite_pimary_keys mit dem Befehl

gem␣install␣composite_primary_keys

. Dabei kommt dann folgender Fehler:

ERROR: Error installing composite_primary_keys: composite_primary_keys requires activerecord (>= 2.2.0, runtime)

So, sieht so aus als ob man nur activerecord updaten muss. Allerdings gibt es diese Version noch gar nicht. Kommt euch so ein fehler bekannt vor? Habt ihr Tipps für mich? Freue mich über jede Tipp! Gruß Dirk P.S: Folgendes kommt wenn ich den Befhl mit trace ausführe.

openstreetmap:/etc/apt/rails_port# rake db:migrate --trace (in /etc/apt/rails_port) ** Invoke db:migrate (first_time) ** Invoke environment (first_time) ** Execute environment rake aborted! Could not find RubyGem composite_primary_keys (= 0.9.93) /usr/local/lib/site_ruby/1.8/rubygems.rb:636:in `report_activate_error' /usr/local/lib/site_ruby/1.8/rubygems.rb:141:in `activate' /usr/local/lib/site_ruby/1.8/rubygems.rb:49:in `gem' /etc/apt/rails_port/config/initializers/composite_primary_keys.rb:2 /usr/lib/ruby/gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb:489:in `load' /usr/lib/ruby/gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb:489:in `load' /usr/lib/ruby/gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb:342:in `new_constants_in' /usr/lib/ruby/gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb:489:in `load' /usr/lib/ruby/gems/1.8/gems/rails-2.0.2/lib/initializer.rb:342:in `load_application_initializers' /usr/lib/ruby/gems/1.8/gems/rails-2.0.2/lib/initializer.rb:341:in `each' /usr/lib/ruby/gems/1.8/gems/rails-2.0.2/lib/initializer.rb:341:in `load_application_initializers' /usr/lib/ruby/gems/1.8/gems/rails-2.0.2/lib/initializer.rb:116:in `process' /usr/lib/ruby/gems/1.8/gems/rails-2.0.2/lib/initializer.rb:49:in `send' /usr/lib/ruby/gems/1.8/gems/rails-2.0.2/lib/initializer.rb:49:in `run' /etc/apt/rails_port/config/environment.rb:30 /usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:31:in `gem_original_require' /usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:31:in `require' /usr/lib/ruby/gems/1.8/gems/rails-2.0.2/lib/tasks/misc.rake:3 /usr/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:617:in `call' /usr/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:617:in `execute' /usr/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:612:in `each' /usr/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:612:in `execute' /usr/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:578:in `invoke_with_call_chain' /usr/lib/ruby/1.8/monitor.rb:238:in `synchronize' /usr/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:571:in `invoke_with_call_chain' /usr/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:588:in `invoke_prerequisites' /usr/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:585:in `each' /usr/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:585:in `invoke_prerequisites' /usr/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:577:in `invoke_with_call_chain' /usr/lib/ruby/1.8/monitor.rb:238:in `synchronize' /usr/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:571:in `invoke_with_call_chain' /usr/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:564:in `invoke' /usr/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:2019:in `invoke_task' /usr/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:1997:in `top_level' /usr/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:1997:in `each' /usr/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:1997:in `top_level' /usr/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:2036:in `standard_exception_handling' /usr/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:1991:in `top_level' /usr/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:1970:in `run' /usr/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:2036:in `standard_exception_handling' /usr/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:1967:in `run' /usr/lib/ruby/gems/1.8/gems/rake-0.8.3/bin/rake:31 /usr/bin/rake:19:in `load' /usr/bin/rake:19